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Issue 29371763: Issue 4795 - Use modern JavaScript syntax (Closed)
Patch Set: Addressed feedback, used destructuring Created Jan. 17, 2017, 7:39 a.m.
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1 /* 1 /*
2 * This file is part of Adblock Plus <https://adblockplus.org/>, 2 * This file is part of Adblock Plus <https://adblockplus.org/>,
3 * Copyright (C) 2006-2016 Eyeo GmbH 3 * Copyright (C) 2006-2016 Eyeo GmbH
4 * 4 *
5 * Adblock Plus is free software: you can redistribute it and/or modify 5 * Adblock Plus is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 3 as 6 * it under the terms of the GNU General Public License version 3 as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
8 * 8 *
9 * Adblock Plus is distributed in the hope that it will be useful, 9 * Adblock Plus is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details. 12 * GNU General Public License for more details.
13 * 13 *
14 * You should have received a copy of the GNU General Public License 14 * You should have received a copy of the GNU General Public License
15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
16 */ 16 */
17 17
18 "use strict";
19
18 const keyPrefix = "file:"; 20 const keyPrefix = "file:";
19 21
20 function fileToKey(file) 22 function fileToKey(file)
21 { 23 {
22 return keyPrefix + (file instanceof FakeFile ? file.path : file.spec); 24 return keyPrefix + (file instanceof FakeFile ? file.path : file.spec);
23 } 25 }
24 26
25 function loadFile(file, successCallback, errorCallback) 27 function loadFile(file, successCallback, errorCallback)
26 { 28 {
27 let key = fileToKey(file); 29 let key = fileToKey(file);
28 30
29 ext.storage.get([key], function(items) 31 ext.storage.get([key], items =>
30 { 32 {
31 let entry = items[key]; 33 let entry = items[key];
32 34
33 if (entry) 35 if (entry)
34 successCallback(entry); 36 successCallback(entry);
35 else 37 else
36 errorCallback(new Error("File doesn't exist")); 38 errorCallback(new Error("File doesn't exist"));
37 }); 39 });
38 } 40 }
39 41
40 function saveFile(file, data, callback) 42 function saveFile(file, data, callback)
41 { 43 {
42 ext.storage.set( 44 ext.storage.set(
43 fileToKey(file), 45 fileToKey(file),
44 { 46 {
45 content: Array.from(data), 47 content: Array.from(data),
46 lastModified: Date.now() 48 lastModified: Date.now()
47 }, 49 },
48 callback 50 callback
49 ); 51 );
50 } 52 }
51 53
52 exports.IO = 54 exports.IO =
53 { 55 {
54 resolveFilePath: function(path) 56 resolveFilePath(path) { return new FakeFile(path); },
55 {
56 return new FakeFile(path);
57 },
58 57
59 readFromFile: function(file, listener, callback) 58 readFromFile(file, listener, callback)
60 { 59 {
61 function onLoaded(entry) 60 function onLoaded(entry)
62 { 61 {
63 for (let line of entry.content) 62 for (let line of entry.content)
64 listener.process(line); 63 listener.process(line);
65 64
66 listener.process(null); 65 listener.process(null);
67 callback(null); 66 callback(null);
68 } 67 }
69 68
70 loadFile(file, onLoaded, callback); 69 loadFile(file, onLoaded, callback);
71 }, 70 },
72 71
73 writeToFile: function(file, data, callback) 72 writeToFile(file, data, callback)
74 { 73 {
75 saveFile(file, data, callback); 74 saveFile(file, data, callback);
76 }, 75 },
77 76
78 copyFile: function(fromFile, toFile, callback) 77 copyFile(fromFile, toFile, callback)
79 { 78 {
80 function onLoaded(entry) 79 function onLoaded(entry)
81 { 80 {
82 saveFile(toFile, entry.content, callback); 81 saveFile(toFile, entry.content, callback);
83 } 82 }
84 83
85 loadFile(fromFile, onLoaded, callback); 84 loadFile(fromFile, onLoaded, callback);
86 }, 85 },
87 86
88 renameFile: function(fromFile, newName, callback) 87 renameFile(fromFile, newName, callback)
89 { 88 {
90 function onLoaded(entry) 89 function onLoaded(entry)
91 { 90 {
92 ext.storage.remove(fileToKey(fromFile), function() 91 ext.storage.remove(fileToKey(fromFile), () =>
93 { 92 {
94 ext.storage.set(keyPrefix + newName, entry, callback); 93 ext.storage.set(keyPrefix + newName, entry, callback);
95 }); 94 });
96 } 95 }
97 96
98 loadFile(fromFile, onLoaded, callback); 97 loadFile(fromFile, onLoaded, callback);
99 }, 98 },
100 99
101 removeFile: function(file, callback) 100 removeFile(file, callback)
102 { 101 {
103 ext.storage.remove(fileToKey(file), callback); 102 ext.storage.remove(fileToKey(file), callback);
104 }, 103 },
105 104
106 statFile: function(file, callback) 105 statFile(file, callback)
107 { 106 {
108 function onLoaded(entry) 107 function onLoaded(entry)
109 { 108 {
110 callback(null, { 109 callback(null, {
111 exists: true, 110 exists: true,
112 lastModified: entry.lastModified 111 lastModified: entry.lastModified
113 }); 112 });
114 } 113 }
115 114
116 loadFile(file, onLoaded, callback); 115 loadFile(file, onLoaded, callback);
117 } 116 }
118 }; 117 };
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